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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
W M BARR & COMPANY INC	MEMPHIS TN

International Classification(s)

• B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
• B01D:SEPARATION

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
FARMER, Rachel Ann	Memphis, US	15	17
HAWES, Charles L	Cordova, US	33	224
HEALEY, Brett Justin	Memphis, US	5	3
PETKUS, Matthew Michael	Memphis, US	25	69
SHIREMAN, Dennis Earl	Marion, US	27	123

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date
3.5 Year Payment	$1600.00	$800.00	$400.00	Aug 16, 2026
7.5 Year Payment	$3600.00	$1800.00	$900.00	Aug 16, 2030
11.5 Year Payment	$7400.00	$3700.00	$1850.00	Aug 16, 2034

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge - 3.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 7.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge - 11.5 year - Late payment within 6 months	$160.00	$80.00	$40.00
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent Application No: 2023/0049,984

COMPOSITION CONTAINING UREA FOR USE IN BRINE FORMATION

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